NMR study on Pt(II) interaction with Amadori compounds
摘要:
Here we report the first evidence of Pt(II) interaction with Amadori compound [N-(1-deoxy-D-Fructos-1-yl)glycine (Fru-Hgly)]. The H-1 and Pt-195 NMR results show that complexation of Pt(II) by Fru-Hgly is strongly dependent on pH and reaction molar ratio. In 1/1 Pt/Fru-Hgly molar ratio, at acidic pH, the first coordination site is the carboxylic oxygen, while at physiological pH the anchoring group is the aminic one, in both cases the system slowly evolves towards an N,O chelating mode. In 1/2 Pt/Fru-Hgly molar ratio the only coordination site is nitrogen atom while the carboxylic oxygen is not involved in metal coordination. (c) 2007 Elsevier B.V. All rights reserved.
[EN] ORAL CARE COMPOSITION COMPRISING AN AMADORI COMPOUND<br/>[FR] COMPOSITION D'HYGIÈNE BUCCALE COMPRENANT UN COMPOSÉ AMADORI
申请人:COLGATE PALMOLIVE CO
公开号:WO2014098793A1
公开(公告)日:2014-06-26
The present invention relates to oral care compositions and methods of inhibiting microbial biofilm formation and/or degrading a microbial biofilm. Disclosed herein are oral care compositions comprising an Amadori compound having a glucose moiety and an amino acid moiety. The Amadori compound has use for inhibiting oral microbial biofilm formation and/or degrading an oral microbial biofilm in the oral cavity of a mammalian subject.
The preparation and characterization of some Amadori compounds (1-amino-1-deoxy-d-fructose derivatives) derived from a series of aliphatic ω-amino acids
作者:Valeri V. Mossine、Gennadi V. Glinsky、Milton S. Feather
DOI:10.1016/0008-6215(94)84183-7
日期:1994.9
Amadori compounds (1-amino-1-deoxy-D-fructose derivatives) were prepared by reacting D-glucose with a series of aliphatic amino acids. These include Amadori compounds derived from glycine (1), beta-alanine (2), gamma-amino butyric acid (3), delta-aminovaleric acid (4), epsilon-amino-caproic acid (5) and N alpha-formyl-L-lysine (6). In the FAB mass spectra, molecular-ion clusters as well as fragment
通过使D-葡萄糖与一系列脂族氨基酸反应来制备Amadori化合物(1-氨基-1-脱氧-D-果糖衍生物)。这些化合物包括衍生自甘氨酸(1),β-丙氨酸(2),γ-氨基丁酸(3),δ-氨基戊酸(4),ε-氨基-己酸(5)和Nα-甲酰基- L-赖氨酸(6)。在FAB质谱图中,观察到与水或CO2分子损失相对应的分子离子簇以及碎片离子。13 C NMR光谱表明所有化合物在构象上都是不稳定的,但溶液(D2O)中存在的主要形式为β-吡喃糖形式。1和2的1H NMR光谱表明,围绕C-1-C-2键的旋转较慢,这可能是由于涉及羧基的分子内氢键所致。pK alpha'
Electrospray positive ionization tandem mass spectrometry of Amadori compounds
The synthesis of pure Amadori rearrangement products
作者:S. N. Noomen、G. J. Breel、C. Winkel
DOI:10.1002/recl.19951140705
日期:——
The term “Maillard reaction” is used to describe a complex set of reactions in foods leading to flavour generation and non-enzymatic browning. The first step in this process is the so-called Amadorirearrangement: a reducing saccharide and a peptide fragment react to form an AmadoriRearrangement Product (ARP). To be able to do model studies on flavour generation, gram amounts of pure ARP are required